Cheat sheet: What makes helium balloons float?

Wed 14 September 2016

7 mins

Millie Maier, astrophysicist, helps parents everywhere sound super intelligent by simply answering the scientific questions that stump us. In this cheat sheet, Millie tells us how to explain the science behind helium balloons (and if it’s bad to suck it in every now and then for a funny voice).

MorrisGleitzman is one of Australia's most prolific, hilarious, and beloved children's authors
He's also just been announced as the Australian Children's Laureate for 2018-19. In an earnest and insightful…